Quaternary Ammonium Cellulose Ether
Quaternary ammonium cellulose ether is a cationic cellulose ether used in paper manufacturing and water treatment as a flocculant. It falls under tariff item 3912.39.00 as an 'other' derivative meeting polymer content rules.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a blend with other polymers
Blends with non-cellulose polymers may fall under other cellulose ethers subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the quaternary ammonium groups are appendages to the main cellulose chain, not graft copolymers
• Provide a technical data sheet showing the degree of substitution and charge density
• Check if the product is subject to any environmental regulations due to its use in water treatment
Related Products under Tariff item 3912.39.00
Allyl Cellulose Ether
Allyl cellulose ether is a chemically modified cellulose ether where allyl groups are appended to the cellulose backbone. It is used as a crosslinking agent in coatings and falls under tariff item 3912.39.00 as an 'other' cellulose ether, not elsewhere specified.
Benzyl Cellulose Ether
Benzyl cellulose ether is a cellulose ether derivative with benzyl groups, used in specialty resins and adhesives. It is classified under tariff item 3912.39.00 as an 'other' cellulose ether, as it is not specifically named in other subheadings.
Carboxymethyl Cellulose (CMC)
Carboxymethyl cellulose (CMC) is a cellulose ether produced by reacting cellulose with sodium hydroxide and chloroacetic acid. It is used as a thickener in food, pharmaceuticals, and industrial applications, and falls under tariff item 3912.39.00 as an 'other' cellulose ether.
Cyanoethyl Cellulose Ether
Cyanoethyl cellulose ether is a specialty cellulose ether with cyanoethyl groups, used in electronic applications and adhesives. It falls under tariff item 3912.39.00 as an 'other' cellulose ether, as the modification does not trigger a more specific subheading.
Ethylcellulose Granules
Ethylcellulose granules are an ethyl ether derivative of cellulose, used as a coating agent in tablets and in inks. They fall under tariff item 3912.39.00 as 'other' cellulose ethers in primary granular form, compliant with polymer predominance rules.
Food Grade Methylcellulose E461
Food grade methylcellulose E461 is a methyl ether of cellulose approved as a food additive (E461) for use as a stabilizer. It falls under tariff item 3912.39.00 as an 'other' cellulose ether in primary form, specifically for food additive applications.